Species Details

Polemonium pulcherrimum var. shastense

Mt. Shasta sky pilot

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Classification

Scientific Name: Polemonium pulcherrimum Hook. var. shastense (Eastw.) Stubbs
Common Name: Mt. Shasta sky pilot
Family:	Polemoniaceae
Element Code:	PDPLM0E0J4
USDA Plants Symbol:	POPUS
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G5T2
State Rank:	S2
Other Status:
CRPR Changes: added to 1B.2 on 2014-11-17
Add Date:	2014-11-17
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Jun-Sep
Elevation: 2175 - 3900 meters 7135 - 12795 feet
General Habitat: Alpine boulder and rock field Subalpine coniferous forest Upper montane coniferous forest
General Micro Habitat:
Micro Habitat: Volcanic (sometimes)

Notes

Notes: Threatened by foot traffic. See Bulletin of the Torrey Botanical Club 32(4):205-206 (1905) for original description and Madroño 60(3):243-248 (2013) for taxonomic treatment.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
1	0	0	0	0	13

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	9

Presence:
Presumed Extant	14
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS)

Quads: Name (Quad Code)
Callahan (4112237), Hotlum (4112243), Lassen Peak (4012145), McCloud (4112232), Mt. Shasta (4112242), Rainbow Mtn. (4112148), Thousand Lakes Valley (4012165)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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Counties Quads

Selected References

CNPS Status Review:

CRPR List Addition on 2014-11-17